Utility knife



FIG. 1 is a perspective view of a utility knife according to the present invention;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an end elevational view thereof;

FIG. 7 is an opposite end elevational view thereof;

FIG. 8 is a side elevational view thereof showing a first blade in an extended position from one end of the utility knife handle; and,

FIG. 9 is a side elevational view thereof showing a second blade in an extended position from the opposite end of the utility knife handle. 

The ornamental design for a utility knife, as shown and described. 